B21D 43/09
By one or more pairs of rollers for feeding sheet or strip
Official title: by one or more pairs of rollers for feeding sheet or strip material
B21D43/09 (By one or more pairs of rollers for feeding sheet or strip) appears on 111 US grants and 62 published applications in this corpus.
Search patents in B21D- Granted patents
- 111
- Published applications
- 62
- Assignees
- 60
- Inventors
- 160
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 5 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 5 |
| 2019 | 0 | 3 |
| 2020 | 3 | 7 |
| 2021 | 5 | 2 |
| 2022 | 6 | 1 |
| 2023 | 1 | 6 |
| 2024 | 4 | 10 |
| 2025 | 2 | 0 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Workpiece transfer method, workpiece transfer device, and workpiece transfer program6 Oct 2026US 12,752,331 B2Kawasaki Jukogyo Kabushiki Kaisha
- Press system and shell feeding assembly therefor7 Apr 2026US 12,594,591 B2Stolle Machinery Company, LLC
- Plate-like material feeding device24 Mar 2026US 12,583,027 B2Aida Engineering, Ltd.
- Method for determining the thickness of a material strip during the feed of the material strip to the machining zone of a machine tool10 Mar 2026US 12,569,904 B2Bruderer AG
- Strip material cutting device and stacking apparatus6 Jan 2026US 12,515,249 B2Guangdong Lyric Robot Automation Co., Ltd.
- Drive assemblies for shell stock feeder assemblies and methods of feeding material into shell presses27 Aug 2026US 2026/0249344 A1Stolle Machinery Company, LLLC
- Sheet material feeding device30 Jul 2026US 2026/0217486 A1Sankyo Seisakusho Co.
- Press system and shell feeding assembly therefor23 Jul 2026US 2026/0208257 A1Stolle Machinery Company, LLC
- Plate-like material feeding device26 Dec 2024US 2024/0424547 A1Aida Engineering, Ltd.
- Press system and shell feeding assembly therefor19 Sep 2024US 2024/0307946 A1Stolle Machinery Company, LLC
Most cited
By later US patents
- Apparatus for cutting blind slats49US 4,790,226 ATachikawa Corporation · 1988
- Method and apparatus for feeding strip stock into a machine20US 4,078,416 AThe Minster Machine Company · 1978
- Apparatus for advancing strip in rolling mills20US 4,759,485 ASMS Schloemann-Siemag Aktiengesellschaft · 1988
- Feeding apparatus for a machine for feeding and cutting sheet materials17US 5,042,351 ARosenthal Manufacturing Co., Inc. · 1991
- Electronically controlled high speed press feed capable of being driven in synchronization with a press17US 5,868,296 AVamco Machine & Tool, Inc. · 1999